How To Install Hardie Board Siding 4×8?

How To Install Hardie Board Siding 4×8?

Can you install Hardie siding directly to studs?

HardiePlank® lap siding can be installed over braced wood or steel studs spaced a maximum of 24″ o.c. or directly to minimum 7/16″ thick OSB sheathing. See General Fastening Requirements.

What fasteners do you use on Hardie board?

Fasteners must be corrosion resistant, galvanized or stainless steel. Electro-galvanized nails are acceptable for use with James Hardie Siding Products, but may exhibit premature corrosion. James Hardie recommends the use of quality, hot-dipped galvanized nails.

Do you nail or screw Hardie board?

Fasten HardieBacker sheets with proper nails or screws (as listed in ”Materials Required” in the backer installation instructions) every 8” around the perimeter and all supporting studs. Keep fasteners between 3/8” and 3/4” from sheet edges and 2” in from sheet corners.

Do you have to caulk Hardie board and batten?

Hardie no longer recommends the caulking of any joint in their lap siding (colorplus or primed). Deterioration of the caulking in the joint has become a maintenance issue for home owners over time. Joint flashing is recommended for all hardie lap siding now.

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Do you have to put plywood under Hardie board siding?

Fiber cement siding should be installed over plywood, OSB, or sheathing. Be sure that the siding installed is dry. Otherwise, it might shrink at butt joints.

Do I need house wrap behind Hardie siding?

With fiber cement siding, the heavy material may compress the wrap so it’s extremely important that a non-woven wrap is used. This is because the heavy siding may lead to a build-up of moisture behind it, which in turn, can lead to mold growth and wood rot if that moisture is not properly addressed.

How long can Hardie board go unpainted?

Pre-primed products can sit for 6 months without paint. Unprimed hardie can sit for 3 months without paint.

What is the best nail gun for Hardie siding?

Our Recommended Best Nail Gun for Hardie Trim and Siding

  • NuMax SFR2190 Pneumatic 21 Degree Full Round Head Framing Nailer.
  • PORTER-CABLE 20V MAX Cordless Brad Nailer Kit.
  • Dewalt DW66C-1R Coil Nail Gun for Hardie Siding.
  • Freeman P4FRFNCB Hardie Board Nail Gun.
  • BOSTITCH N66C Coil Siding Nailer.

Can you use screws on Hardie siding?

HardiePlank® lap siding may be used with fasteners approved by ICC-ES ESR-2290 spaced in accordance with the Wind Load Tables. Fasteners must be corrosion resistant, galvanized or stainless steel.

Does Hardie board crack?

Because Hardie siding is so stiff any movement of the house can cause cracks in the siding which are typical of any rigid masonry product.

Does Hardie board need to be painted?

What is Hardie Plank? Hardie Plank is a newer composite material made of concrete substrate. Hardie Plank is also called fiber cement siding. While it’s far heavier than aluminum, vinyl or wood, it is extremely durable and typically only needs a new paint every ten to twenty years for maintenance.

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Is Hardie board waterproof?

HardieBacker® Cement Board with HydroDefense™ Technology is a long-lasting, waterproof solution for walls, floors, and countertops.

Can Hardie board touch the ground?

You absolutely cannot use any type of cement siding for ground contact. There are several brand of cellular PVC trim besides Azek.


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